works
Matthew Barnett The promise of reasoning models online Reasoning models, large language models trained via reinforcement learning, excel at “pure reasoning tasks”—abstract tasks with cheaply verifiable correct answers, like mathematical theorem proving. Reinforcement learning significantly improves large language model performance, potentially enabling superhuman reasoning abilities in the near future. The effectiveness of reinforcement learning hinges on the low cost of solution verification, allowing for dense reward signals during training. Consequently, rapid advancements are expected in fields like mathematics and computer programming. However, economically valuable tasks often involve skills and nuanced expertise not readily found in training data or easily verifiable, hindering automation in areas like video editing and general robotics. Therefore, while reasoning models may soon surpass human capabilities in specific domains, automating most economically valuable tasks will likely remain challenging. Reasoning models are unlikely to fundamentally disrupt the training-inference compute tradeoff or the existing business model of AI labs. Further breakthroughs are needed in multimodality, autonomy, long-term memory, and robotics to fully realize AI’s potential for automating valuable economic work. – AI-generated abstract.

The promise of reasoning models

Matthew Barnett

Epoch AI, February 28, 2025

Abstract

Reasoning models, large language models trained via reinforcement learning, excel at “pure reasoning tasks”—abstract tasks with cheaply verifiable correct answers, like mathematical theorem proving. Reinforcement learning significantly improves large language model performance, potentially enabling superhuman reasoning abilities in the near future. The effectiveness of reinforcement learning hinges on the low cost of solution verification, allowing for dense reward signals during training. Consequently, rapid advancements are expected in fields like mathematics and computer programming. However, economically valuable tasks often involve skills and nuanced expertise not readily found in training data or easily verifiable, hindering automation in areas like video editing and general robotics. Therefore, while reasoning models may soon surpass human capabilities in specific domains, automating most economically valuable tasks will likely remain challenging. Reasoning models are unlikely to fundamentally disrupt the training-inference compute tradeoff or the existing business model of AI labs. Further breakthroughs are needed in multimodality, autonomy, long-term memory, and robotics to fully realize AI’s potential for automating valuable economic work. – AI-generated abstract.

PDF

First page of PDF